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First, I rinsed out the tank. Since it came from a trusted source and she'd done a great job cleaning it up, this didn't take too long.

Then, I cut the eggcrate to fit perfectly in the bottom of my tank and put it in. After rinsing the sand (black blasting sand is a PAIN to wash and since the particles are sharp, injuries are possible), I put that in the bottom, completely covering the eggcrate.

I then filled the tank with water, hooked up the filter, and was done for the first day. I put a bit of fish food since I hadn't been able to find pure ammonia to feed the filter.

The second day, I managed to find pure ammonia. Dumped in WAY too much.

The third day, I did a large water change to reduce the ammonia.

Next, I cut a small piece of eggcrate and put the roots of my vals through it:

After that, I put it in the tank, weighed down with some grapevine (this has been sitting in another tank for years, so it's waterlogged. It took A LONG TIME to get the grapevine waterlogged):

Next, I covered up the eggcrate with sand:

And here's where I stand:

Next, I plan on building the slate caves and putting them in. Additional plants should be here this week or next week, and the mbuna are arriving on February 15th!

Why did you put egg crate down on the bottom of the tank? Just wondering and I have never seen egg crate like that. The egg crate that I am used to comes with a dozen chicken eggs inside at the grocery store. Should be a cool tank.

Lots of tanks. Some tanks are planted. Fish include community and bettas.2 Dachshunds. Angel (Red) and Cookie (Chocolate Dapple).Shiny Things and Beauty the rabbits. RIP Princess and Max the Dachshunds, Tiger and Ping Pong the rabbits, and all the fishes from when I was a newbie.It is Ldoerr NOT Idoerr.Black kitten named Midnight that was found 10/29/12

I'm not sure why its called egg crate... It actually has something to do with lighting fixtures. It's commonly used in tanks with lots of rockwork, both to evenly distribute the weight and to cushion a blow if the rocks fall.

Lots of tanks. Some tanks are planted. Fish include community and bettas.2 Dachshunds. Angel (Red) and Cookie (Chocolate Dapple).Shiny Things and Beauty the rabbits. RIP Princess and Max the Dachshunds, Tiger and Ping Pong the rabbits, and all the fishes from when I was a newbie.It is Ldoerr NOT Idoerr.Black kitten named Midnight that was found 10/29/12

Gas mileage isn't everythingOIIIIIIIOLack of planning on your part does not constitute an emergency on my part.Why pretend there are no stupid questions? Actually, There are many stupid questions: "Should I drink this bleach?" Is just one example.
Having said that, Just because it's a stupid question doesn't mean that it shouldn't be asked. It's better to know.A warm beer is better than a cold beer. Because nothing is better than a cold beer, and a warm beer is better than nothing.

Finally found time to smash up the slate tile today! It is now soaking in the tub. After a few days, I'll take it out, let it dry, and then get to work making my caves. I'm going to round out any sharp edges with a Dremel.

The vals in the tank are wilting... the change from the seller's tank, to my 26g, to my 75g was probably too much for them. Hopefully, they will regrow.

Some of my plants should be here Monday, and the others are getting shipped Monday. I may end up with more plant species in here than I originally planned, as I am making my 20g low light into a 20g medium light and might relocate some of the plants that were intended for that tank into this one.